* {
	margin: 0;
	padding: 0;
	text-decoration: none;
}
body {
	display: flex;
	justify-content: center;
	align-items: center;
	height: 100vh;
	background-color: black; 
}
a {
	position: relative;
	display: inline-block;
	padding: 1em 2em;
	margin: 10px; 
	color: white;
	border-radius: 40px;
	letter-spacing: 2px;
	font-size: 18px;
	overflow: hidden;
	background: linear-gradient(90deg,#0162c8,#55e7fc);
}
a:nth-child(2) {
	background: linear-gradient(90deg,#755bea,#ff72c0);
}
span {
	background-color: #FFFFFF;
	position: absolute;
	transform: translate(-50%,-50%);
	animation: move 1s linear infinite;
	border-radius: 50%;
	pointer-events: none;
}

@keyframes move{
	from{
		width: 0;
		height: 0;
		opacity: .7;
	}
	to{
		width: 500px;
		height: 500px;
		opacity: 0;
	}
}